lower()
The Python Lower is one of the Python String Method which is used to convert the given string into Lowercase letters and return new string. In this article we will show you, How to write lower() Function in Python Programming with example.
TIP: The lower() Function will keep the Non-letters unchanged.
Syntax of a lower() Function in Python
The basic syntax of the lower function in Python Programming Language is as shown below:
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String_Value.lower() |
String_Value: Please select the valid String variable or you can use the String directly.
Python lower method Example
The following set of examples will help you understand the lower Function in Python Programming Language.
PYTHON CODE
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# Python lower() Method Example Str1 = 'Learn PYTHON AT Tutorial GateWay' Str2 = Str1.lower() print('First Output of a Lower() method is = ', Str2) # Observe the Original String print('Converted String is = ', Str1.lower()) print('Original String is = ', Str1) # Performing lower() function directly Str3 = 'PYTHON ProGramming'.lower() print('Second Output of a Lower() method is = ', Str3) Str4 = 'PYTHON1234Tutorial'.lower() print('Third Output of a Lower() method is = ', Str4) Str5 = '12345'.lower() print('Third Output of a Lower() method is = ', Str5) |
OUTPUT
ANALYSIS
First we declared the String variable Str1 and assigned corresponding value using following statement
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Str1 = 'Learn PYTHON AT Tutorial GateWay' |
Following statement will convert the above string into lowercase using Lower() function and prints the output
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Str2 = Str1.lower() print('First Output of a Lower() method is = ', Str2) |
The Python Lower() function will return the output in new string, instead of alter the original string. Following statements will show you the same
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# Observe the Original String print('Converted String is = ', Str1.lower()) print('Original String is = ', Str1) |
From the above screenshot you can observe that, the original string Str1 is unchanged. If you want to change the original String, you can write the following statement
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Str1 = Str1.lower() |
The Python Lowercase function will only convert the letters into lowercase and leave other values unchanged. Within the following statements we used the numeric values along with letters and you can see the output for further reference
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Str4 = 'PYTHON1234Tutorial'.lower() print('Third Output of a Lower() method is = ', Str4) Str5 = '12345'.lower() print('Third Output of a Lower() method is = ', Str5) |
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